When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s) - $0.00
You have no items in your shopping cart.

FREE SHIPPING on orders over $39

Undersink Water Filters & Systems

Undersink Water Filters by DiscountFilterStore.com

26 Item(s)

Grid  List 

Set Descending Direction
  • P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    Regular Price: $2.99

    Special Price: $2.05

  • CB-45-1001 Hydronix Replacement Whole House Filter Cartridge
  • E5520-K Omnipure Water Filter
  • BGE-4200S BevGuard Water Filter Cartridge
  • BGE-3200S BevGuard Water Filter Cartridge
  • BGE-3200 BevGuard Water Filter Cartridge
  • 4373575 Whirlpool Undersink Filter Kit

    4373575 Whirlpool Undersink Filter Kit

    Regular Price: $59.99

    Special Price: $52.05

  • 4373574 Whirlpool Undersink Filter Kit
  • 4373529 Whirlpool Undersink Filter Replacement Cartridge